/**************************************************************************/
/* mesh_instance_3d_editor_plugin.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "mesh_instance_3d_editor_plugin.h"
#include "core/io/resource_loader.h"
#include "core/object/callable_mp.h"
#include "editor/editor_node.h"
#include "editor/editor_string_names.h"
#include "editor/editor_undo_redo_manager.h"
#include "editor/inspector/multi_node_edit.h"
#include "editor/scene/3d/node_3d_editor_plugin.h"
#include "editor/themes/editor_scale.h"
#include "scene/3d/navigation/navigation_region_3d.h"
#include "scene/3d/physics/collision_shape_3d.h"
#include "scene/3d/physics/static_body_3d.h"
#include "scene/gui/aspect_ratio_container.h"
#include "scene/gui/box_container.h"
#include "scene/gui/dialogs.h"
#include "scene/gui/menu_button.h"
#include "scene/gui/spin_box.h"
#include "scene/main/scene_tree.h"
#include "scene/resources/3d/box_shape_3d.h"
#include "scene/resources/3d/capsule_shape_3d.h"
#include "scene/resources/3d/concave_polygon_shape_3d.h"
#include "scene/resources/3d/convex_polygon_shape_3d.h"
#include "scene/resources/3d/cylinder_shape_3d.h"
#include "scene/resources/3d/primitive_meshes.h"
#include "scene/resources/3d/sphere_shape_3d.h"
void MeshInstance3DEditor::_node_removed(Node *p_node) {
if (p_node == node) {
node = nullptr;
options->hide();
}
}
void MeshInstance3DEditor::edit(MeshInstance3D *p_mesh) {
node = p_mesh;
}
Vector<Ref<Shape3D>> MeshInstance3DEditor::create_shape_from_mesh(Ref<Mesh> p_mesh, int p_option, bool p_verbose) {
Vector<Ref<Shape3D>> shapes;
switch (p_option) {
case SHAPE_TYPE_TRIMESH: {
shapes.push_back(p_mesh->create_trimesh_shape());
if (p_verbose && shapes.is_empty()) {
err_dialog->set_text(TTR("Couldn't create a Trimesh collision shape."));
err_dialog->popup_centered();
}
} break;
case SHAPE_TYPE_SINGLE_CONVEX: {
shapes.push_back(p_mesh->create_convex_shape(true, false));
if (p_verbose && shapes.is_empty()) {
err_dialog->set_text(TTR("Couldn't create a single collision shape."));
err_dialog->popup_centered();
}
} break;
case SHAPE_TYPE_SIMPLIFIED_CONVEX: {
shapes.push_back(p_mesh->create_convex_shape(true, true));
if (p_verbose && shapes.is_empty()) {
err_dialog->set_text(TTR("Couldn't create a simplified collision shape."));
err_dialog->popup_centered();
}
} break;
case SHAPE_TYPE_MULTIPLE_CONVEX: {
Ref<MeshConvexDecompositionSettings> settings;
settings.instantiate();
settings->set_max_convex_hulls(32);
settings->set_max_concavity(0.001);
shapes = p_mesh->convex_decompose(settings);
if (p_verbose && shapes.is_empty()) {
err_dialog->set_text(TTR("Couldn't create any collision shapes."));
err_dialog->popup_centered();
}
} break;
case SHAPE_TYPE_BOUNDING_BOX: {
const Ref<BoxMesh> box_mesh = p_mesh;
if (box_mesh.is_valid()) {
Ref<BoxShape3D> box_shape;
box_shape.instantiate();
box_shape->set_size(box_mesh->get_size().maxf(0.001));
shapes.push_back(box_shape);
} else {
Ref<BoxShape3D> box_shape;
box_shape.instantiate();
AABB mesh_aabb = p_mesh->get_aabb();
box_shape->set_size(mesh_aabb.get_size().maxf(0.001));
shapes.push_back(box_shape);
shape_offset_transform.origin = mesh_aabb.get_center();
}
if (p_verbose && shapes.is_empty()) {
err_dialog->set_text(TTR("Couldn't create a bounding box shape."));
err_dialog->popup_centered();
}
} break;
case SHAPE_TYPE_CAPSULE: {
const Ref<CapsuleMesh> capsule_mesh = p_mesh;
if (capsule_mesh.is_valid()) {
Ref<CapsuleShape3D> capsule_shape;
capsule_shape.instantiate();
capsule_shape->set_height(capsule_mesh->get_height());
capsule_shape->set_radius(MAX(capsule_mesh->get_radius(), 0.001));
shapes.push_back(capsule_shape);
} else {
// Use AABB to estimate shape.
Ref<CapsuleShape3D> capsule_shape;
capsule_shape.instantiate();
AABB mesh_aabb = p_mesh->get_aabb();
int axis = shape_axis->get_selected_id();
if (axis == (int)SHAPE_AXIS_LONGEST) {
axis = mesh_aabb.get_longest_axis_index();
}
int perpendicular_axis = axis == 0 ? 1 : 0;
capsule_shape->set_height(mesh_aabb.get_size()[axis]);
capsule_shape->set_radius(MAX(mesh_aabb.get_size()[perpendicular_axis] / 2.0, 0.001));
shapes.push_back(capsule_shape);
shape_offset_transform.origin = mesh_aabb.get_center();
if (axis == Vector3::AXIS_X) {
shape_offset_transform.rotate_basis(Vector3(0, 0, 1), Math::PI / 2.0);
} else if (axis == Vector3::AXIS_Z) {
shape_offset_transform.rotate_basis(Vector3(1, 0, 0), -Math::PI / 2.0);
}
}
if (p_verbose && shapes.is_empty()) {
err_dialog->set_text(TTR("Couldn't create a capsule shape."));
err_dialog->popup_centered();
}
} break;
case SHAPE_TYPE_CYLINDER: {
const Ref<CylinderMesh> cylinder_mesh = p_mesh;
if (cylinder_mesh.is_valid()) {
Ref<CylinderShape3D> cylinder_shape;
cylinder_shape.instantiate();
cylinder_shape->set_height(MAX(cylinder_mesh->get_height(), 0.001));
cylinder_shape->set_radius((cylinder_mesh->get_top_radius() + cylinder_mesh->get_bottom_radius()) / 2.0);
shapes.push_back(cylinder_shape);
} else {
// Use AABB to estimate shape.
Ref<CylinderShape3D> cylinder_shape;
cylinder_shape.instantiate();
AABB mesh_aabb = p_mesh->get_aabb();
int axis = shape_axis->get_selected_id();
if (axis == (int)SHAPE_AXIS_LONGEST) {
axis = mesh_aabb.get_longest_axis_index();
}
int perpendicular_axis = axis == 0 ? 1 : 0;
cylinder_shape->set_height(MAX(mesh_aabb.get_size()[axis], 0.001));
cylinder_shape->set_radius(mesh_aabb.get_size()[perpendicular_axis] / 2.0);
shapes.push_back(cylinder_shape);
shape_offset_transform.origin = mesh_aabb.get_center();
if (axis == Vector3::AXIS_X) {
shape_offset_transform.rotate_basis(Vector3(0, 0, 1), Math::PI / 2.0);
} else if (axis == Vector3::AXIS_Z) {
shape_offset_transform.rotate_basis(Vector3(1, 0, 0), -Math::PI / 2.0);
}
}
if (p_verbose && shapes.is_empty()) {
err_dialog->set_text(TTR("Couldn't create a cylinder shape."));
err_dialog->popup_centered();
}
} break;
case SHAPE_TYPE_SPHERE: {
const Ref<SphereMesh> sphere_mesh = p_mesh;
if (sphere_mesh.is_valid()) {
Ref<SphereShape3D> sphere_shape;
sphere_shape.instantiate();
sphere_shape->set_radius(MAX(sphere_mesh->get_radius(), 0.001));
shapes.push_back(sphere_shape);
} else {
// Use AABB to estimate shape.
Ref<SphereShape3D> sphere_shape;
sphere_shape.instantiate();
AABB mesh_aabb = p_mesh->get_aabb();
sphere_shape->set_radius(MAX(mesh_aabb.get_size()[mesh_aabb.get_size().max_axis_index()] / 2.0, 0.001));
shapes.push_back(sphere_shape);
shape_offset_transform.origin = mesh_aabb.get_center();
}
if (p_verbose && shapes.is_empty()) {
err_dialog->set_text(TTR("Couldn't create a sphere shape."));
err_dialog->popup_centered();
}
} break;
case SHAPE_TYPE_PRIMITIVE: {
const Ref<BoxMesh> box_mesh = p_mesh;
if (box_mesh.is_valid()) {
Ref<BoxShape3D> box_shape;
box_shape.instantiate();
box_shape->set_size(box_mesh->get_size().maxf(0.001));
shapes.push_back(box_shape);
}
const Ref<CapsuleMesh> capsule_mesh = p_mesh;
if (capsule_mesh.is_valid()) {
Ref<CapsuleShape3D> capsule_shape;
capsule_shape.instantiate();
capsule_shape->set_height(capsule_mesh->get_height());
capsule_shape->set_radius(MAX(capsule_mesh->get_radius(), 0.001));
shapes.push_back(capsule_shape);
}
const Ref<CylinderMesh> cylinder_mesh = p_mesh;
if (cylinder_mesh.is_valid()) {
Ref<CylinderShape3D> cylinder_shape;
cylinder_shape.instantiate();
cylinder_shape->set_height(MAX(cylinder_mesh->get_height(), 0.001));
cylinder_shape->set_radius((cylinder_mesh->get_top_radius() + cylinder_mesh->get_bottom_radius()) / 2.0);
shapes.push_back(cylinder_shape);
}
const Ref<SphereMesh> sphere_mesh = p_mesh;
if (sphere_mesh.is_valid()) {
Ref<SphereShape3D> sphere_shape;
sphere_shape.instantiate();
sphere_shape->set_radius(MAX(sphere_mesh->get_radius(), 0.001));
shapes.push_back(sphere_shape);
}
if (p_verbose && shapes.is_empty()) {
err_dialog->set_text(TTR("Couldn't create a primitive collision shape."));
err_dialog->popup_centered();
}
} break;
default:
break;
}
return shapes;
}
void MeshInstance3DEditor::_shape_dialog_about_to_popup() {
EditorSelection *editor_selection = EditorNode::get_singleton()->get_editor_selection();
List<Node *> selection = editor_selection->get_top_selected_node_list();
if (selection.is_empty()) {
selection.push_back(node);
}
bool disable_primitive = true;
for (Node *E : selection) {
MeshInstance3D *instance = Object::cast_to<MeshInstance3D>(E);
if (!instance) {
continue;
}
Ref<Mesh> m = instance->get_mesh();
if (m.is_null()) {
continue;
}
if (((Ref<BoxMesh>)m).is_valid() || ((Ref<CapsuleMesh>)m).is_valid() || ((Ref<CylinderMesh>)m).is_valid() || ((Ref<SphereMesh>)m).is_valid()) {
disable_primitive = false;
break;
}
}
if (disable_primitive && shape_type->get_selected() == SHAPE_TYPE_PRIMITIVE) {
shape_type->select(SHAPE_TYPE_TRIMESH);
}
shape_type->set_item_disabled(shape_type->get_popup()->get_item_index(SHAPE_TYPE_PRIMITIVE), disable_primitive);
ShapeType selected_shape_type = (ShapeType)shape_type->get_selected_id();
bool shape_axis_visible = selected_shape_type == SHAPE_TYPE_CAPSULE || selected_shape_type == SHAPE_TYPE_CYLINDER;
shape_axis->set_visible(shape_axis_visible);
shape_axis_label->set_visible(shape_axis_visible);
}
void MeshInstance3DEditor::_shape_type_selected(int p_option) {
bool shape_axis_visible = (ShapeType)p_option == SHAPE_TYPE_CAPSULE || (ShapeType)p_option == SHAPE_TYPE_CYLINDER;
shape_axis->set_visible(shape_axis_visible);
shape_axis_label->set_visible(shape_axis_visible);
}
void MeshInstance3DEditor::_create_collision_shape() {
int placement_option = shape_placement->get_selected();
int shape_type_option = shape_type->get_selected();
EditorSelection *editor_selection = EditorNode::get_singleton()->get_editor_selection();
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
String placement_action_name = placement_option == SHAPE_PLACEMENT_SIBLING ? TTR("Create %s Collision Shape Sibling") : TTR("Create %s Static Body Child");
switch (shape_type_option) {
case SHAPE_TYPE_TRIMESH: {
ur->create_action(vformat(placement_action_name, TTR("Trimesh")));
} break;
case SHAPE_TYPE_SINGLE_CONVEX: {
ur->create_action(vformat(placement_action_name, TTR("Single Convex")));
} break;
case SHAPE_TYPE_SIMPLIFIED_CONVEX: {
ur->create_action(vformat(placement_action_name, TTR("Simplified Convex")));
} break;
case SHAPE_TYPE_MULTIPLE_CONVEX: {
placement_action_name = placement_option == SHAPE_PLACEMENT_SIBLING ? TTR("Create %s Collision Shape Siblings") : TTR("Create %s Static Body Children");
ur->create_action(vformat(placement_action_name, TTR("Multiple Convex")));
} break;
case SHAPE_TYPE_BOUNDING_BOX: {
ur->create_action(vformat(placement_action_name, TTR("Bounding Box")));
} break;
case SHAPE_TYPE_CAPSULE: {
ur->create_action(vformat(placement_action_name, TTR("Capsule")));
} break;
case SHAPE_TYPE_CYLINDER: {
ur->create_action(vformat(placement_action_name, TTR("Cylinder")));
} break;
case SHAPE_TYPE_SPHERE: {
ur->create_action(vformat(placement_action_name, TTR("Sphere")));
} break;
case SHAPE_TYPE_PRIMITIVE: {
ur->create_action(vformat(placement_action_name, TTR("Primitive")));
} break;
default:
break;
}
List<Node *> selection = editor_selection->get_top_selected_node_list();
bool verbose = false;
if (selection.is_empty()) {
selection.push_back(node);
verbose = true;
}
for (Node *E : selection) {
if (placement_option == SHAPE_PLACEMENT_SIBLING && E == get_tree()->get_edited_scene_root()) {
err_dialog->set_text(TTR("Can't create a collision shape as sibling for the scene root."));
err_dialog->popup_centered();
continue;
}
MeshInstance3D *instance = Object::cast_to<MeshInstance3D>(E);
if (!instance) {
continue;
}
Ref<Mesh> m = instance->get_mesh();
if (m.is_null()) {
continue;
}
shape_offset_transform = Transform3D();
Vector<Ref<Shape3D>> shapes = create_shape_from_mesh(m, shape_type_option, verbose);
if (shapes.is_empty()) {
continue;
}
Node *owner = get_tree()->get_edited_scene_root();
if (placement_option == SHAPE_PLACEMENT_STATIC_BODY_CHILD) {
StaticBody3D *body = memnew(StaticBody3D);
body->set_transform(shape_offset_transform);
ur->add_do_method(instance, "add_child", body, true);
ur->add_do_method(body, "set_owner", owner);
ur->add_do_method(Node3DEditor::get_singleton(), SceneStringName(_request_gizmo), body);
for (Ref<Shape3D> shape : shapes) {
CollisionShape3D *cshape = memnew(CollisionShape3D);
cshape->set_shape(shape);
body->add_child(cshape, true);
ur->add_do_method(cshape, "set_owner", owner);
ur->add_do_method(Node3DEditor::get_singleton(), SceneStringName(_request_gizmo), cshape);
}
ur->add_do_reference(body);
ur->add_undo_method(instance, "remove_child", body);
} else {
for (Ref<Shape3D> shape : shapes) {
CollisionShape3D *cshape = memnew(CollisionShape3D);
cshape->set_shape(shape);
cshape->set_name("CollisionShape3D");
cshape->set_transform(instance->get_transform() * shape_offset_transform);
ur->add_do_method(E, "add_sibling", cshape, true);
ur->add_do_method(cshape, "set_owner", owner);
ur->add_do_method(Node3DEditor::get_singleton(), SceneStringName(_request_gizmo), cshape);
ur->add_do_reference(cshape);
ur->add_undo_method(instance->get_parent(), "remove_child", cshape);
}
}
}
ur->commit_action();
}
void MeshInstance3DEditor::_menu_option(int p_option) {
Ref<Mesh> mesh = node->get_mesh();
if (mesh.is_null()) {
err_dialog->set_text(TTR("Mesh is empty!"));
err_dialog->popup_centered();
return;
}
switch (p_option) {
case MENU_OPTION_CREATE_COLLISION_SHAPE: {
shape_dialog->popup_centered();
} break;
case MENU_OPTION_CREATE_NAVMESH: {
navigation_mesh_dialog->popup_centered(Vector2(200, 90));
} break;
case MENU_OPTION_CREATE_OUTLINE_MESH: {
outline_dialog->popup_centered(Vector2(200, 90));
} break;
case MENU_OPTION_CREATE_DEBUG_TANGENTS: {
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
ur->create_action(TTR("Create Debug Tangents"));
MeshInstance3D *tangents = node->create_debug_tangents_node();
if (tangents) {
Node *owner = get_tree()->get_edited_scene_root();
ur->add_do_reference(tangents);
ur->add_do_method(node, "add_child", tangents, true);
ur->add_do_method(tangents, "set_owner", owner);
ur->add_undo_method(node, "remove_child", tangents);
}
ur->commit_action();
} break;
case MENU_OPTION_CREATE_UV2: {
Ref<Mesh> mesh2 = node->get_mesh();
if (mesh.is_null()) {
err_dialog->set_text(TTR("No mesh to unwrap."));
err_dialog->popup_centered();
return;
}
// Test if we are allowed to unwrap this mesh resource.
String path = mesh2->get_path();
int srpos = path.find("::");
if (srpos != -1) {
String base = path.substr(0, srpos);
if (ResourceLoader::get_resource_type(base) == "PackedScene") {
if (!get_tree()->get_edited_scene_root() || get_tree()->get_edited_scene_root()->get_scene_file_path() != base) {
err_dialog->set_text(TTR("Mesh cannot unwrap UVs because it does not belong to the edited scene. Make it unique first."));
err_dialog->popup_centered();
return;
}
} else {
if (FileAccess::exists(path + ".import")) {
err_dialog->set_text(TTR("Mesh cannot unwrap UVs because it belongs to another resource which was imported from another file type. Make it unique first."));
err_dialog->popup_centered();
return;
}
}
} else {
if (FileAccess::exists(path + ".import")) {
err_dialog->set_text(TTR("Mesh cannot unwrap UVs because it was imported from another file type. Make it unique first."));
err_dialog->popup_centered();
return;
}
}
Ref<PrimitiveMesh> primitive_mesh = mesh2;
if (primitive_mesh.is_valid()) {
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
ur->create_action(TTR("Unwrap UV2"));
ur->add_do_method(*primitive_mesh, "set_add_uv2", true);
ur->add_undo_method(*primitive_mesh, "set_add_uv2", primitive_mesh->get_add_uv2());
ur->commit_action();
} else {
Ref<ArrayMesh> array_mesh = mesh2;
if (array_mesh.is_null()) {
err_dialog->set_text(TTR("Contained Mesh is not of type ArrayMesh."));
err_dialog->popup_centered();
return;
}
// Preemptively evaluate common fail cases for lightmap unwrapping.
{
if (array_mesh->get_blend_shape_count() > 0) {
err_dialog->set_text(TTR("Can't unwrap mesh with blend shapes."));
err_dialog->popup_centered();
return;
}
for (int i = 0; i < array_mesh->get_surface_count(); i++) {
Mesh::PrimitiveType primitive = array_mesh->surface_get_primitive_type(i);
if (primitive != Mesh::PRIMITIVE_TRIANGLES) {
err_dialog->set_text(TTR("Only triangles are supported for lightmap unwrap."));
err_dialog->popup_centered();
return;
}
uint64_t format = array_mesh->surface_get_format(i);
if (!(format & Mesh::ArrayFormat::ARRAY_FORMAT_NORMAL)) {
err_dialog->set_text(TTR("Normals are required for lightmap unwrap."));
err_dialog->popup_centered();
return;
}
}
}
Ref<ArrayMesh> unwrapped_mesh = array_mesh->duplicate(false);
Error err = unwrapped_mesh->lightmap_unwrap(node->get_global_transform());
if (err != OK) {
err_dialog->set_text(TTR("UV Unwrap failed, mesh may not be manifold?"));
err_dialog->popup_centered();
return;
}
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
ur->create_action(TTR("Unwrap UV2"));
ur->add_do_method(node, "set_mesh", unwrapped_mesh);
ur->add_do_reference(unwrapped_mesh.ptr());
ur->add_undo_method(node, "set_mesh", array_mesh);
ur->commit_action();
}
} break;
case MENU_OPTION_DEBUG_UV1: {
Ref<Mesh> mesh2 = node->get_mesh();
if (mesh2.is_null()) {
err_dialog->set_text(TTR("No mesh to debug."));
err_dialog->popup_centered();
return;
}
_create_uv_lines(0);
} break;
case MENU_OPTION_DEBUG_UV2: {
Ref<Mesh> mesh2 = node->get_mesh();
if (mesh2.is_null()) {
err_dialog->set_text(TTR("No mesh to debug."));
err_dialog->popup_centered();
return;
}
_create_uv_lines(1);
} break;
}
}
struct MeshInstance3DEditorEdgeSort {
Vector2 a;
Vector2 b;
static uint32_t hash(const MeshInstance3DEditorEdgeSort &p_edge) {
uint32_t h = hash_murmur3_one_32(HashMapHasherDefault::hash(p_edge.a));
return hash_fmix32(hash_murmur3_one_32(HashMapHasherDefault::hash(p_edge.b), h));
}
bool operator==(const MeshInstance3DEditorEdgeSort &p_b) const {
return a == p_b.a && b == p_b.b;
}
MeshInstance3DEditorEdgeSort() {}
MeshInstance3DEditorEdgeSort(const Vector2 &p_a, const Vector2 &p_b) {
if (p_a < p_b) {
a = p_a;
b = p_b;
} else {
b = p_a;
a = p_b;
}
}
};
void MeshInstance3DEditor::_create_uv_lines(int p_layer) {
Ref<Mesh> mesh = node->get_mesh();
ERR_FAIL_COND(mesh.is_null());
HashSet<MeshInstance3DEditorEdgeSort, MeshInstance3DEditorEdgeSort> edges;
uv_lines.clear();
for (int i = 0; i < mesh->get_surface_count(); i++) {
if (mesh->surface_get_primitive_type(i) != Mesh::PRIMITIVE_TRIANGLES) {
continue;
}
Array a = mesh->surface_get_arrays(i);
Vector<Vector2> uv = a[p_layer == 0 ? Mesh::ARRAY_TEX_UV : Mesh::ARRAY_TEX_UV2];
if (uv.is_empty()) {
err_dialog->set_text(vformat(TTR("Mesh has no UV in layer %d."), p_layer + 1));
err_dialog->popup_centered();
return;
}
const Vector2 *r = uv.ptr();
Vector<int> indices = a[Mesh::ARRAY_INDEX];
const int *ri = nullptr;
int ic;
if (indices.size()) {
ic = indices.size();
ri = indices.ptr();
} else {
ic = uv.size();
}
for (int j = 0; j < ic; j += 3) {
for (int k = 0; k < 3; k++) {
MeshInstance3DEditorEdgeSort edge;
if (ri) {
edge.a = r[ri[j + k]];
edge.b = r[ri[j + ((k + 1) % 3)]];
} else {
edge.a = r[j + k];
edge.b = r[j + ((k + 1) % 3)];
}
if (edges.has(edge)) {
continue;
}
uv_lines.push_back(edge.a);
uv_lines.push_back(edge.b);
edges.insert(edge);
}
}
}
debug_uv_dialog->popup_centered();
}
void MeshInstance3DEditor::_debug_uv_draw() {
if (uv_lines.is_empty()) {
return;
}
debug_uv->set_clip_contents(true);
debug_uv->draw_rect(
Rect2(Vector2(), debug_uv->get_size()),
get_theme_color(SNAME("dark_color_3"), EditorStringName(Editor)));
// Draw an outline to represent the UV2's beginning and end area (useful on Black OLED theme).
// Top-left coordinate needs to be `(1, 1)` to prevent `clip_contents` from clipping the top and left lines.
debug_uv->draw_rect(
Rect2(Vector2(1, 1), debug_uv->get_size() - Vector2(1, 1)),
get_theme_color(SNAME("mono_color"), EditorStringName(Editor)) * Color(1, 1, 1, 0.125),
false,
Math::round(EDSCALE));
for (int x = 1; x <= 7; x++) {
debug_uv->draw_line(
Vector2(debug_uv->get_size().x * 0.125 * x, 0),
Vector2(debug_uv->get_size().x * 0.125 * x, debug_uv->get_size().y),
get_theme_color(SNAME("mono_color"), EditorStringName(Editor)) * Color(1, 1, 1, 0.125),
Math::round(EDSCALE));
}
for (int y = 1; y <= 7; y++) {
debug_uv->draw_line(
Vector2(0, debug_uv->get_size().y * 0.125 * y),
Vector2(debug_uv->get_size().x, debug_uv->get_size().y * 0.125 * y),
get_theme_color(SNAME("mono_color"), EditorStringName(Editor)) * Color(1, 1, 1, 0.125),
Math::round(EDSCALE));
}
debug_uv->draw_set_transform(Vector2(), 0, debug_uv->get_size());
// Use a translucent color to allow overlapping triangles to be visible.
// Divide line width by the drawing scale set above, so that line width is consistent regardless of dialog size.
// Aspect ratio is preserved by the parent AspectRatioContainer, so we only need to check the X size which is always equal to Y.
debug_uv->draw_multiline(
uv_lines,
get_theme_color(SNAME("mono_color"), EditorStringName(Editor)) * Color(1, 1, 1, 0.5),
Math::round(EDSCALE) / debug_uv->get_size().x);
}
void MeshInstance3DEditor::_create_navigation_mesh() {
Ref<Mesh> mesh = node->get_mesh();
if (mesh.is_null()) {
return;
}
Ref<NavigationMesh> nmesh = memnew(NavigationMesh);
if (nmesh.is_null()) {
return;
}
nmesh->create_from_mesh(mesh);
NavigationRegion3D *nmi = memnew(NavigationRegion3D);
nmi->set_navigation_mesh(nmesh);
Node *owner = get_tree()->get_edited_scene_root();
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
ur->create_action(TTR("Create Navigation Mesh"));
ur->add_do_method(node, "add_child", nmi, true);
ur->add_do_method(nmi, "set_owner", owner);
ur->add_do_method(Node3DEditor::get_singleton(), SceneStringName(_request_gizmo), nmi);
ur->add_do_reference(nmi);
ur->add_undo_method(node, "remove_child", nmi);
ur->commit_action();
}
void MeshInstance3DEditor::_create_outline_mesh() {
Ref<Mesh> mesh = node->get_mesh();
if (mesh.is_null()) {
err_dialog->set_text(TTR("MeshInstance3D lacks a Mesh."));
err_dialog->popup_centered();
return;
}
if (mesh->get_surface_count() == 0) {
err_dialog->set_text(TTR("Mesh has no surface to create outlines from."));
err_dialog->popup_centered();
return;
} else if (mesh->get_surface_count() == 1 && mesh->surface_get_primitive_type(0) != Mesh::PRIMITIVE_TRIANGLES) {
err_dialog->set_text(TTR("Mesh primitive type is not PRIMITIVE_TRIANGLES."));
err_dialog->popup_centered();
return;
}
Ref<Mesh> mesho = mesh->create_outline(outline_size->get_value());
if (mesho.is_null()) {
err_dialog->set_text(TTR("Could not create outline."));
err_dialog->popup_centered();
return;
}
MeshInstance3D *mi = memnew(MeshInstance3D);
mi->set_mesh(mesho);
Node *skeleton = node->get_node_or_null(node->get_skeleton_path());
if (skeleton && node->get_skin().is_valid()) {
mi->set_skin(node->get_skin());
mi->set_skeleton_path("../" + String(node->get_path_to(skeleton)));
}
Node *owner = get_tree()->get_edited_scene_root();
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
ur->create_action(TTR("Create Outline"));
ur->add_do_method(node, "add_child", mi, true);
ur->add_do_method(mi, "set_owner", owner);
ur->add_do_method(Node3DEditor::get_singleton(), SceneStringName(_request_gizmo), mi);
ur->add_do_reference(mi);
ur->add_undo_method(node, "remove_child", mi);
ur->commit_action();
}
void MeshInstance3DEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_THEME_CHANGED: {
options->set_button_icon(get_editor_theme_icon(SNAME("MeshInstance3D")));
} break;
}
}
MeshInstance3DEditor::MeshInstance3DEditor() {
options = memnew(MenuButton);
options->set_text(TTR("Mesh"));
options->set_switch_on_hover(true);
options->set_flat(false);
options->set_theme_type_variation("FlatMenuButtonNoIconTint");
Node3DEditor::get_singleton()->add_control_to_menu_panel(options);
options->get_popup()->add_item(TTR("Create Collision Shape..."), MENU_OPTION_CREATE_COLLISION_SHAPE);
options->get_popup()->add_item(TTR("Create Navigation Mesh"), MENU_OPTION_CREATE_NAVMESH);
options->get_popup()->add_separator();
options->get_popup()->add_item(TTR("Create Outline Mesh..."), MENU_OPTION_CREATE_OUTLINE_MESH);
options->get_popup()->set_item_tooltip(options->get_popup()->get_item_count() - 1, TTR("Creates a static outline mesh. The outline mesh will have its normals flipped automatically.\nThis can be used instead of the StandardMaterial Grow property when using that property isn't possible."));
options->get_popup()->add_item(TTR("Create Debug Tangents"), MENU_OPTION_CREATE_DEBUG_TANGENTS);
options->get_popup()->add_separator();
options->get_popup()->add_item(TTR("View UV1"), MENU_OPTION_DEBUG_UV1);
options->get_popup()->add_item(TTR("View UV2"), MENU_OPTION_DEBUG_UV2);
options->get_popup()->add_item(TTR("Unwrap UV2 for Lightmap/AO"), MENU_OPTION_CREATE_UV2);
options->get_popup()->connect(SceneStringName(id_pressed), callable_mp(this, &MeshInstance3DEditor::_menu_option));
outline_dialog = memnew(ConfirmationDialog);
outline_dialog->set_title(TTR("Create Outline Mesh"));
outline_dialog->set_ok_button_text(TTR("Create"));
VBoxContainer *outline_dialog_vbc = memnew(VBoxContainer);
outline_dialog->add_child(outline_dialog_vbc);
//outline_dialog->set_child_rect(outline_dialog_vbc);
outline_size = memnew(SpinBox);
outline_size->set_accessibility_name(TTRC("Outline Size:"));
outline_size->set_min(0.001);
outline_size->set_max(1024);
outline_size->set_step(0.001);
outline_size->set_value(0.05);
outline_dialog_vbc->add_margin_child(TTR("Outline Size:"), outline_size);
add_child(outline_dialog);
outline_dialog->connect(SceneStringName(confirmed), callable_mp(this, &MeshInstance3DEditor::_create_outline_mesh));
shape_dialog = memnew(ConfirmationDialog);
shape_dialog->set_title(TTR("Create Collision Shape"));
shape_dialog->set_ok_button_text(TTR("Create"));
shape_dialog->connect("about_to_popup", callable_mp(this, &MeshInstance3DEditor::_shape_dialog_about_to_popup));
VBoxContainer *shape_dialog_vbc = memnew(VBoxContainer);
shape_dialog->add_child(shape_dialog_vbc);
Label *l = memnew(Label);
l->set_text(TTR("Collision Shape Placement"));
shape_dialog_vbc->add_child(l);
shape_placement = memnew(OptionButton);
shape_placement->set_accessibility_name(TTRC("Collision Shape Placement"));
shape_placement->set_h_size_flags(SIZE_EXPAND_FILL);
shape_placement->add_item(TTR("Sibling"), SHAPE_PLACEMENT_SIBLING);
shape_placement->set_item_tooltip(-1, TTR("Creates collision shapes as Sibling."));
shape_placement->add_item(TTR("Static Body Child"), SHAPE_PLACEMENT_STATIC_BODY_CHILD);
shape_placement->set_item_tooltip(-1, TTR("Creates a StaticBody3D as child and assigns collision shapes to it."));
shape_dialog_vbc->add_child(shape_placement);
l = memnew(Label);
l->set_text(TTR("Collision Shape Type"));
shape_dialog_vbc->add_child(l);
shape_type = memnew(OptionButton);
shape_type->set_accessibility_name(TTRC("Collision Shape Type"));
shape_type->set_h_size_flags(SIZE_EXPAND_FILL);
shape_type->add_item(TTR("Trimesh"), SHAPE_TYPE_TRIMESH);
shape_type->set_item_tooltip(-1, TTR("Creates a polygon-based collision shape.\nThis is the most accurate (but slowest) option for collision detection."));
shape_type->add_item(TTR("Single Convex"), SHAPE_TYPE_SINGLE_CONVEX);
shape_type->set_item_tooltip(-1, TTR("Creates a single convex collision shape.\nThis is the faster than the trimesh or multiple convex option, but is less accurate for collision detection."));
shape_type->add_item(TTR("Simplified Convex"), SHAPE_TYPE_SIMPLIFIED_CONVEX);
shape_type->set_item_tooltip(-1, TTR("Creates a simplified convex collision shape.\nThis is similar to single collision shape, but can result in a simpler geometry in some cases, at the cost of accuracy."));
shape_type->add_item(TTR("Multiple Convex"), SHAPE_TYPE_MULTIPLE_CONVEX);
shape_type->set_item_tooltip(-1, TTR("Creates multiple convex collision shapes. These are decomposed from the original mesh.\nThis is a performance and accuracy middle-ground between a single convex collision and a polygon-based trimesh collision."));
shape_type->add_item(TTR("Bounding Box"), SHAPE_TYPE_BOUNDING_BOX);
shape_type->set_item_tooltip(-1, TTR("Creates an bounding box collision shape.\nThis will use the mesh's AABB if the shape is not a built-in BoxMesh.\nThis is faster than the convex collision shape option for collision detection."));
shape_type->add_item(TTR("Capsule"), SHAPE_TYPE_CAPSULE);
shape_type->set_item_tooltip(-1, TTR("Creates a capsule collision shape.\nThis will use the mesh's AABB if the shape is not a built-in CapsuleMesh.\nThis is faster than the convex collision shape option for collision detection."));
shape_type->add_item(TTR("Cylinder"), SHAPE_TYPE_CYLINDER);
shape_type->set_item_tooltip(-1, TTR("Creates a cylinder collision shape.\nThis will use the mesh's AABB if the shape is not a built-in CylinderMesh.\nThis is faster than the convex collision shape option for collision detection."));
shape_type->add_item(TTR("Sphere"), SHAPE_TYPE_SPHERE);
shape_type->set_item_tooltip(-1, TTR("Creates a sphere collision shape.\nThis will use the mesh's AABB if the shape is not a built-in SphereMesh.\nThis is faster than the convex collision shape option for collision detection."));
shape_type->add_item(TTR("Primitive"), SHAPE_TYPE_PRIMITIVE);
shape_type->set_item_tooltip(-1, TTR("Creates a box, capsule, cylinder, or sphere primitive collision shape if the mesh is a primitive.\nThe mesh must use the built-in BoxMesh, CapsuleMesh, CylinderMesh, or SphereMesh primitive.\nThis is faster than the convex collision shape option for collision detection."));
shape_dialog_vbc->add_child(shape_type);
shape_type->connect(SceneStringName(item_selected), callable_mp(this, &MeshInstance3DEditor::_shape_type_selected));
shape_axis_label = memnew(Label);
shape_axis_label->set_text(TTR("Alignment Axis"));
shape_dialog_vbc->add_child(shape_axis_label);
shape_axis = memnew(OptionButton);
shape_axis->set_h_size_flags(SIZE_EXPAND_FILL);
shape_axis->add_item(TTR("Longest Axis"), SHAPE_AXIS_LONGEST);
shape_axis->set_item_tooltip(-1, TTR("Create the shape along the longest axis of the mesh's AABB."));
shape_axis->add_item(TTR("X-Axis"), SHAPE_AXIS_X);
shape_axis->set_item_tooltip(-1, TTR("Create the shape along the local X-Axis."));
shape_axis->add_item(TTR("Y-Axis"), SHAPE_AXIS_Y);
shape_axis->set_item_tooltip(-1, TTR("Create the shape along the local Y-Axis."));
shape_axis->add_item(TTR("Z-Axis"), SHAPE_AXIS_Z);
shape_axis->set_item_tooltip(-1, TTR("Create the shape along the local Z-Axis."));
shape_dialog_vbc->add_child(shape_axis);
add_child(shape_dialog);
shape_dialog->connect(SceneStringName(confirmed), callable_mp(this, &MeshInstance3DEditor::_create_collision_shape));
err_dialog = memnew(AcceptDialog);
add_child(err_dialog);
debug_uv_dialog = memnew(AcceptDialog);
debug_uv_dialog->set_title(TTR("UV Channel Debug"));
add_child(debug_uv_dialog);
debug_uv_arc = memnew(AspectRatioContainer);
debug_uv_dialog->add_child(debug_uv_arc);
debug_uv = memnew(Control);
debug_uv->set_custom_minimum_size(Size2(600, 600) * EDSCALE);
debug_uv->connect(SceneStringName(draw), callable_mp(this, &MeshInstance3DEditor::_debug_uv_draw));
debug_uv_arc->add_child(debug_uv);
navigation_mesh_dialog = memnew(ConfirmationDialog);
navigation_mesh_dialog->set_title(TTR("Create NavigationMesh"));
navigation_mesh_dialog->set_ok_button_text(TTR("Create"));
VBoxContainer *navigation_mesh_dialog_vbc = memnew(VBoxContainer);
navigation_mesh_dialog->add_child(navigation_mesh_dialog_vbc);
Label *navigation_mesh_l = memnew(Label);
navigation_mesh_l->set_focus_mode(FOCUS_ACCESSIBILITY);
navigation_mesh_l->set_text(TTR("Before converting a rendering mesh to a navigation mesh, please verify:\n\n- The mesh is two-dimensional.\n- The mesh has no surface overlap.\n- The mesh has no self-intersection.\n- The mesh surfaces have indices.\n\nIf the mesh does not fulfill these requirements, the pathfinding will be broken."));
navigation_mesh_dialog_vbc->add_child(navigation_mesh_l);
add_child(navigation_mesh_dialog);
navigation_mesh_dialog->connect(SceneStringName(confirmed), callable_mp(this, &MeshInstance3DEditor::_create_navigation_mesh));
}
void MeshInstance3DEditorPlugin::edit(Object *p_object) {
{
MeshInstance3D *mi = Object::cast_to<MeshInstance3D>(p_object);
if (mi) {
mesh_editor->edit(mi);
return;
}
}
Ref<MultiNodeEdit> mne = Ref<MultiNodeEdit>(p_object);
Node *edited_scene = EditorNode::get_singleton()->get_edited_scene();
if (mne.is_valid() && edited_scene) {
for (int i = 0; i < mne->get_node_count(); i++) {
MeshInstance3D *mi = Object::cast_to<MeshInstance3D>(edited_scene->get_node(mne->get_node(i)));
if (mi) {
mesh_editor->edit(mi);
return;
}
}
}
mesh_editor->edit(nullptr);
}
bool MeshInstance3DEditorPlugin::handles(Object *p_object) const {
if (Object::cast_to<MeshInstance3D>(p_object)) {
return true;
}
Ref<MultiNodeEdit> mne = Ref<MultiNodeEdit>(p_object);
Node *edited_scene = EditorNode::get_singleton()->get_edited_scene();
if (mne.is_valid() && edited_scene) {
bool has_mesh = false;
for (int i = 0; i < mne->get_node_count(); i++) {
if (Object::cast_to<MeshInstance3D>(edited_scene->get_node(mne->get_node(i)))) {
if (has_mesh) {
return true;
} else {
has_mesh = true;
}
}
}
}
return false;
}
void MeshInstance3DEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
mesh_editor->options->show();
} else {
mesh_editor->options->hide();
mesh_editor->edit(nullptr);
}
}
MeshInstance3DEditorPlugin::MeshInstance3DEditorPlugin() {
mesh_editor = memnew(MeshInstance3DEditor);
EditorNode::get_singleton()->get_gui_base()->add_child(mesh_editor);
mesh_editor->options->hide();
}